Does this buzzer need to be driven?

No need to drive, you just need to connect the power and it will make a sound

Is the sound of this unit a Beep, Buzzer or Siren?

It's a beep. I used my mobile phone to take a picture of the sound made by connecting a 9V battery. You can turn it on to see if it meets your requirements.

What is the wire gauge size?

pretty small, maybe 18 or 20 awg. I connected to 18awg on a 28vdc 3amp system. and it works great.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W

Product ID: 289427904

Details

Brand
WEICHUANG
Color
black
Compatible Devices
DC Powered
Power Source
DC Powered
Product Dimensions
1.18"L x x

⚡Wide 3-24V DC range

🔊90dB loud output

🔧Compact 30x15mm size

RM49

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Description

🚨 Elevate your alert game with the buzzer that means business!

COMPACT DISCREET - Slim 30x15mm profile fits effortlessly into any device or installation without bulk.
POWERFUL 90 D B ALARM - Cut through noise with crystal-clear continuous sound that demands attention.
PLUG PLAY SIMPLICITY - Active buzzer design means no extra drivers—just power it on and secure your space instantly.
RELIABLE QUALITY ASSURANCE - Backed by a 1-year warranty, ensuring your peace of mind with every beep.
VERSATILE VOLTAGE COMPATIBILITY - Seamlessly operates from 3V up to 24V DC—perfect for diverse professional setups.

The 3PCS DC 3-24V Active Piezo Electronic Buzzers deliver a robust 90dB continuous alarm sound powered by a wide voltage range (3-24V DC). Compact at just 30x15mm, these plug-and-play modules require no external drivers and operate efficiently at 15mA current. Ideal for security and alert systems, they come with a 1-year warranty, ensuring dependable performance in professional environments.

Specifications

ASIN	B08SL2HH65
Audible Noise	90 db
Best Sellers Rank	#8,527 in Electronics ( See Top 100 in Electronics ) #20 in Security Horns & Sirens
Brand	WEICHUANG
Color	black
Compatible Devices	DC Powered Devices
Control Method	Touch
Customer Reviews	4.4 4.4 out of 5 stars (349)
Item Dimensions L x W x H	1.18"L x 1.18"W x 0.59"H
Item Weight	0.02 kg
Manufacturer	WEICHUANGJING
Mfr Part Number	SFM-27-W
Model Number	SFM-27-W
Mounting Type	Wall Mount
Number of Items	3
Power Source	DC Powered
Sensor Technology	Piezoelectric Sensor
Size	30 X 15mm
UPC	788470969590
Voltage	24 volts

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RM49

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Malaysia.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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